448     std::atomic<uint64_t>* mReadPtr = nullptr;  member
599         mReadPtr = reinterpret_cast<std::atomic<uint64_t>*>(  in initMemory()
606         mReadPtr = new (std::nothrow) std::atomic<uint64_t>;  in initMemory()
608     if (mReadPtr == nullptr) {  in initMemory()
623         mReadPtr->store(0, std::memory_order_release);  in initMemory()
627         mReadPtr->store(0, std::memory_order_release);  in initMemory()
778     if (flavor == kUnsynchronizedWrite && mReadPtr != nullptr) {  in ~MessageQueueBase()
779         delete mReadPtr;  in ~MessageQueueBase()  local
780     } else if (mReadPtr != nullptr) {  in ~MessageQueueBase()
781         unmapGrantorDescr(mReadPtr, hardware::details::READPTRPOS);  in ~MessageQueueBase()
1134     return mWritePtr->load(std::memory_order_acquire) - mReadPtr->load(std::memory_order_acquire);  in availableToReadBytes()
1165     auto readPtr = mReadPtr->load(std::memory_order_relaxed);  in beginRead()
1175         mReadPtr->store(writePtr, std::memory_order_release);  in beginRead()
1222     auto readPtr = mReadPtr->load(std::memory_order_relaxed);  in commitRead()
1229         mReadPtr->store(writePtr, std::memory_order_release);  in commitRead()
1235     mReadPtr->store(readPtr, std::memory_order_release);  in commitRead()
1251     return mRing != nullptr && mReadPtr != nullptr && mWritePtr != nullptr;  in isValid()